Title: Potassium Tetraborate
CAS Registry Number: 1332-77-0
Additional Names: Potassium biborate; potassium borate
Molecular Formula: B4K2O7
Molecular Weight: 233.44
Percent Composition: B 18.52%, K 33.50%, O 47.98%
Line Formula: K2B4O7
Derivative Type: Pentahydrate
Properties: White, cryst powder. Sol in 4 parts water, slightly in alc.